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Old 19.02.2019, 16:19
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Getting rid of calc stains in toilet

Hi all,

I have large yellow calcium stains in my toilet. They are close to where the water runs in the toilet and under the rim. They come from what must be a little running water.

Does anyone have any suggestions how I can get rid of them?
i have tried lots of things - Coca cola (full sugar), durogel, antikal, and hours with a pumice stone. All of these have failed.

Thanks for any suggestions
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Old 19.02.2019, 16:24
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Re: Getting rid of calc stains in toilet

Soak up a wad of toilet paper with Durgol or similar and slap it all up against the build up of calc. Leave for a couple of hours and rinse.
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Old 19.02.2019, 16:31
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Re: Getting rid of calc stains in toilet

We had the same issue.


I cut a small Coke bottle in half and used the bottom part to scoop the water out of the toilet. Once very little water was left I poured vinegar there for the night. Next morning everything was dissolved.
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Old 19.02.2019, 16:36
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Re: Getting rid of calc stains in toilet

Cillit Bang Javel Power.
Done in 20 mins.
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Old 19.02.2019, 16:54
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Re: Getting rid of calc stains in toilet

Thanks for your responses. The difficulty’s is that the stain is not underneath
Water, but instead from under rim running length down to the water....
I tried taping toilet paper soaked in durogel but it didn’t work....
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Old 19.02.2019, 17:07
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Re: Getting rid of calc stains in toilet

A strong calc remover like the cilit bang or the extra power from Migros should work. If you tried and it did not work, are you sure this is a calc stain and not a rust stain? Can you open the lid of the water container and check if something is rusted down?

Last edited by Helm; 19.02.2019 at 17:21.
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Old 19.02.2019, 17:12
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Re: Getting rid of calc stains in toilet

the toilet cistern is hidden in the wall. its not rust but definitely from calc build up. i tried using a razor blade to carefully scrape off but apart from being very very time consuming, it leaves grey scratch marks so i cant do this in four toilets
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Old 19.02.2019, 17:12
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Re: Getting rid of calc stains in toilet

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Cillit Bang Javel Power.
Done in 20 mins.
Will that not simply have the effect that yellow calcium stains turn white before quite quickly reverting to yellow again?

If the WC is continually running even a small amount of water (seal in the flush cistern is leaking) then you should really get that attended to for a long term fix.
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Old 19.02.2019, 17:23
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Re: Getting rid of calc stains in toilet

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the toilet cistern is hidden in the wall. its not rust but definitely from calc build up. i tried using a razor blade to carefully scrape off but apart from being very very time consuming, it leaves grey scratch marks so i cant do this in four toilets
As you have a cistern that leaks into the bowl.

In the long term-fix the leak.
In the short term - to clean the calc:
  • Remove the cistern lid.
  • Turn off the water within the cistern.
  • Flush the loo (to empty the cistern of water)
  • Pour in a bit of the Durgol Forte (the strong one) and water to mix.
  • Allow it to seep through into the bowl overnight (via your leak)
  • Scrub and/or repeat.

I had the same problem and did this the other day. It also sorted out the leak which was a build up of calc on the mating part of the siphon with the rubber seal/washer (the rubber seal was fine but the mating part (the cistern tank) had calc.
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Old 19.02.2019, 17:32
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Re: Getting rid of calc stains in toilet

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Thanks for your responses. The difficulty’s is that the stain is not underneath
Water, but instead from under rim running length down to the water....
I tried taping toilet paper soaked in durogel but it didn’t work....
Well, f you don't want to listen then don't.
But I repeat: Cillit Bang Javel Power.
Done in 20 mins, or leave overnight
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Old 19.02.2019, 17:48
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Re: Getting rid of calc stains in toilet

Without chemistry, reusable, removes everything fast also on tiles etc..:


https://www.galaxus.ch/de/s2/product...iABEgJoC_D_BwE
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Old 19.02.2019, 17:53
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Re: Getting rid of calc stains in toilet

Why not just mechanically remove it?

Since the bowl is smooth the calc is probably not super attached. Spray some decal on it, wait a little depending on how thick it is, crack it from the centre or scrape it off from the edge?

I had the constant leak in my old house, i dismantled the cistern and found it was like full of stalagmites and stalactites .. I cracked off most of it with a knife and stayed the remainder with durgol.. A year later it was still calc free, i think it had never been cleared.


Edit : oops sorry you already tried to scrape it off :-/
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Old 19.02.2019, 18:36
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Re: Getting rid of calc stains in toilet

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Hi all,

I have large yellow calcium stains in my toilet. They are close to where the water runs in the toilet and under the rim. They come from what must be a little running water.

Does anyone have any suggestions how I can get rid of them?
i have tried lots of things - Coca cola (full sugar), durogel, antikal, and hours with a pumice stone. All of these have failed.

Thanks for any suggestions
Drink bottled mineral water. Less calc
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Old 19.02.2019, 19:08
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Re: Getting rid of calc stains in toilet

I had the same problem, tried normal cleaners, endless scrubbing, vinegar the only thing that got rid of it was this Vepo Calc. About 18 Francs a bottle

http://vepo.ch/wc-rost-750ml
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Old 19.02.2019, 20:10
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Re: Getting rid of calc stains in toilet

maybe try Ajax

https://www.amazon.co.uk/d/Health-Pe...00005UVD9?th=1
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Old 19.02.2019, 21:17
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Re: Getting rid of calc stains in toilet

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I had the same problem, tried normal cleaners, endless scrubbing, vinegar the only thing that got rid of it was this Vepo Calc. About 18 Francs a bottle

http://vepo.ch/wc-rost-750ml
Thanks! I’ve ordered a bottle. I’ll update you all with my results!
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Old 19.02.2019, 21:19
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Re: Getting rid of calc stains in toilet

there was a WC anti calgon set in Lidl just last weekend. Perhaps try that.
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Old 19.02.2019, 21:25
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Re: Getting rid of calc stains in toilet

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Thanks! I’ve ordered a bottle. I’ll update you all with my results!
Please do.

I got this line, along the water surface. Not even the pro who replaced some stuff with all his illegal poison was able to get rid of it. So I wonder ....
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Old 19.02.2019, 21:27
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Re: Getting rid of calc stains in toilet

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I had the same problem, tried normal cleaners, endless scrubbing, vinegar the only thing that got rid of it was this Vepo Calc. About 18 Francs a bottle

http://vepo.ch/wc-rost-750ml
Vepo makes a full line of cleaning products and I've always found them to work very well. My local drogerie has them available, but you have to ask. They aren't displayed anywhere.
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Old 20.02.2019, 09:57
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Re: Getting rid of calc stains in toilet

Our old place had this problem in both toilets*. The management company hired someone to fix it with fancy gadgets (pressure cleaner was involved), and it took him 4 hours while going back and forth between both toilets. The cleaner informed us this type of cleaning goes for several hundred. Thankfully, we never had this problem, but we were only in that flat for a couple of years.

Can these problems be prevented with a water decalcifier?

*When we first moved in.

Last edited by NotSwissEnough; 20.02.2019 at 10:23.
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